1. Data diversity: an approach to software fault-tolerance;Ammann;IEEE Transactions on Computers,1988
2. C. Adams, S. Lloyd, Understanding Public-key Infrastructure: Concepts, Standards, and Deployment Considerations, Macmillan, New York, November 1999
3. K.P. Birman, Building Secure and Reliable Network Applications, Manning Publications, 1996
4. Microsoft Corporation, DCOM architecture, in: Proceedings of Microsoft Professional Developers Conference, September 1997
5. Department of Defense National Computer Security Center, Department of Defense Trusted Computer Systems Evaluation Criteria, DoD 5200.28-STD, December 1985